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Shop All Water Filters, Parts & Systems

Fresh, dependable water starts with the right setup, and iFilters makes it easy to find what fits your space. Water Filters, Parts & Systems in this collection cover everyday drinking needs, whole-home protection, and jobsite-ready solutions for commercial and industrial use. Browse by product type, filter size, or compatibility so replacements and upgrades stay simple. Options span sediment, carbon, reverse osmosis, and UV, giving you a clear path from problem to solution. Fast shipping and helpful support keep your project moving.

About iFilters Water Filtration Products

iFilters brings a one-stop catalog together, from complete whole-house filtration systems to specialized drinking water systems for sinks and dispensers. Commercial systems help support higher flow demands, while replacement filters keep performance consistent between service intervals. Parts like housings, fittings, adapters, and power supplies help you maintain, repair, or expand an existing setup without guesswork. Ultraviolet systems add an extra layer for applications that benefit from UV treatment. Tools and specialty systems round out the collection for unique installs, seasonal needs, and niche use cases.

Why Choose iFilters for Water Filtration Gear?

Confidence comes from selection, and this store is built around breadth and compatibility across many brands and applications. Auto Ship subscriptions make routine replacements easier, while discounts help reduce long-term ownership costs. Expert support is available when you need help choosing the right part, matching a cartridge, or planning a system refresh. Free shipping starts at qualifying order thresholds, and a satisfaction guarantee adds peace of mind at checkout.

Shop water filtration systems and parts online today!

Filters

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Hydronix 10" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 10" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 1/4" Ports

HF3-10BLBK14
in stock
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/4" Ports

HF2-5WHWH14
in stock
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83
Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/2" Ports

HF2-5WHWH12
in stock
$16.34 - $16.34
$16.34
$16.34 - $16.34
$16.34

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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$16.34 - $16.34
$16.34
$16.34 - $16.34
$16.34
Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports
Hydronix

Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports

HF2-10WHWH38
in stock
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 3/8" Ports
Hydronix

Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 3/8" Ports

HF2-10CLBK38
in stock
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Hydronix RO & Filtration Systems 10" Blue Housing w/ Black Flat Cap 1/2" Ports
Hydronix

Hydronix RO & Filtration Systems 10" Blue Housing w/ Black Flat Cap 1/2" Ports

HF2-10BLBK12
in stock
$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74
Hydronix PFM-NUT-34 PFM Replacement Nut, 3/4" MNPT for PFM-210, and AFM-216 - IFilters
Hydronix PFM-NUT-34 PFM Replacement Nut, 3/4" MNPT for PFM-210, and AFM-216 - IFilters
Hydronix

Hydronix PFM-NUT-34 PFM Replacement Nut, 3/4" MNPT for PFM-210, and AFM-216

PFM-NUT-34
in stock
$5.99 - $5.99
$5.99
$5.99 - $5.99
$5.99

$5.99 - $5.99
$5.99
$5.99 - $5.99
$5.99
Auto Ship
Hydro Scientific SPX-45-20100 Polyester Pleated Cartridges - SPX Series 4.5" x 20" - 100 micron - IFilters
HydroScientific

Hydro Scientific SPX-45-20100 Polyester Pleated Cartridges - SPX Series 4.5" x 20" - 100 micron

SPX-45-20100
in stock
$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99

100 Micron Pleated Polyester Filter Cartridge – SPX-45-20100 – 4.5" x 20" – Hydro Scientific SPX Series Product image shown is a representation onl...

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$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Sale Sale
Aquatrol

Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-0717BK-25T
in stock
$155.00
$155.00 - $155.00
$155.00
$71.68
$71.68 - $71.68
$71.68

Aquatrol AT-0717BK-25T 7 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black Aquatrol™ Pressure Tanks offer a reliable and cost-effect...

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$155.00
$155.00 - $155.00
$155.00
$71.68
$71.68 - $71.68
$71.68
Sale Sale
Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black - IFilters
Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black

AT-1252BK-25T
in stock
$143.56 - $143.56
$143.56
$143.56 - $143.56
$143.56

Aquatrol AT-1252BK-25T 1252 Pg, 2.5" T, Standard Base, Black Part Number: AT-1252BK-25TDimensions: 12 x 52 inches (304 x 1320 mm)Connection: 2.5" T...

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$143.56 - $143.56
$143.56
$143.56 - $143.56
$143.56
70-8-P-PG Polypropylene Union Tee Fitting 1/2 OD Tube x 1/2 OD Tube x 1/2 OD Tube - IFilters
Hydronix

70-8-P-PG Polypropylene Union Tee Fitting 1/2 OD Tube x 1/2 OD Tube x 1/2 OD Tube

HDX708
in stock
$5.24 - $5.24
$5.24
$5.24 - $5.24
$5.24

JACO polypropylene fittings are known for their excellent chemical resistance, making them suitable for use with most weak acids and alkalis. They ...

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$5.24 - $5.24
$5.24
$5.24 - $5.24
$5.24
Auto Ship
Aquatrol MED-MB9IG – Mixed Bed Deionization (DI) Resin Media, 1 CuFt
Aquatrol

Aquatrol MED-MB9IG DI Mixed Bed Deionization TDS Filtration Resin Media, 1 CuFt

MED-MB9IG
in stock
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00

Aquatrol MED-MB9IG – Mixed Bed Deionization (DI) Resin Media, 1 CuFt The Aquatrol MED-MB9IG is a high-performance mixed bed deionization (DI) resin...

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$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00
Auto Ship
Aquatrol MED-GCS-1240 – High-Performance Granular Activated Carbon (GAC), 1 CU. FT.
Aquatrol

Aquatrol MED-GCS-1240 High-Performance Activated Granular Activated Carbon GAC, 1 CUFT

MED-GCS-1240
in stock
$128.98 - $128.98
$128.98
$128.98 - $128.98
$128.98

Aquatrol MED-GCS-1240 – High-Performance Granular Activated Carbon (GAC), 1 CUFT The Aquatrol MED-GCS-1240 is a premium-grade coconut shell granula...

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$128.98 - $128.98
$128.98
$128.98 - $128.98
$128.98
1/4" OD Blue Polyethylene Tubing - 500 Ft - IFilters
Hydrofit

1/2" OD Blue Polyethylene Tubing - 250 Ft

PT08-BL-0250
in stock
$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00

The PT08-BL-0250 Blue Polyethylene tubing is manufactured from top-quality, low-density materials. The PT08-BL-0250 is ideal for a variety of uses ...

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$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00
Auto Ship
HydroScientific Absolute Rated Pleated Filter, 0.45 microns, 10" x 2.5" - IFilters
HydroScientific Absolute Rated Pleated Filter, 0.45 microns, 10" x 2.5" - IFilters
HydroScientific

HydroScientific Absolute Rated Pleated Filter, 0.45 microns, 10" x 2.5"

AR0045EF1A
in stock
$81.00 - $81.00
$81.00
$81.00 - $81.00
$81.00

Hydronix AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute-rated filters. Made from 100% pure Polypropylene Hydronix AR Series Absolu...

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$81.00 - $81.00
$81.00
$81.00 - $81.00
$81.00
316 Stainless Steel High Flow Filter Housing, 4.5"x20", 1" Ports - IFilters
HydroScientific

316 Stainless Steel High Flow Filter Housing, 4.5"x20", 1" Ports

HF4520SS316-10
in stock
$436.45 - $436.45
$436.45
$436.45 - $436.45
$436.45

The HF4520SS316-10 is a dependable filter housing suitable for various filtration applications. Constructed from durable 316 stainless steel, it of...

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$436.45 - $436.45
$436.45
$436.45 - $436.45
$436.45
Band Clamp for MRH4 Band Clamp Series Housings - IFilters
Band Clamp for MRH4 Band Clamp Series Housings - IFilters
HydroScientific

Band Clamp for MRH4 Band Clamp Series Housings

MRH4-BANDCLAMP
in stock
$147.78 - $147.78
$147.78
$147.78 - $147.78
$147.78

Replacement band clamp for the HydroScientific MRH4 Stainless Steel Housings, Band Clamp Series.

$147.78 - $147.78
$147.78
$147.78 - $147.78
$147.78
316 Stainless Steel High Flow Filter Housing, 4.5"x20", 1" Ports - IFilters
HydroScientific

HydroScientific HF4520SS-10 - Stainless Steel High Flow Filter Housing

HF4520SS-10
in stock
$299.94 - $299.94
$299.94
$299.94 - $299.94
$299.94

HydroScientific HF4520SS-10 – Stainless Steel High-Flow Filter Housing The HF4510SS-10 is a durable and reliable stainless steel filter housing des...

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$299.94 - $299.94
$299.94
$299.94 - $299.94
$299.94
Auto Ship
Hydronix SWC-25-2001 String Wound Water Filter – 1 Micron, 2.5" x 20"
Hydronix

Hydronix SWC-25-2001 String Wound Sediment Water Filter Cartridge 2.5" x 20", 1 Micron

SWC-25-2001
in stock
$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95

Hydronix SWC-25-2001 String Wound Water Filter – 1 Micron, 2.5" x 20" The Hydronix SWC-25-2001 is a premium string wound sediment filter designed f...

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$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95
Auto Ship
Hydro Guard HDG-U300-UF Replacement Filter Set – OEM Replacement for HDG-U3000-UF
Hydro Guard

Hydro Guard HDG-U3UF-SET HDG-U300-UF Replacement Filter Set | OEM Replacement for HDG-U3000-UF

HDG-U3UF-SET
in stock
$77.35 - $77.35
$77.35
$77.35 - $77.35
$77.35

Hydro Guard HDG-U300-UF Replacement Filter Set – OEM Replacement for HDG-U3000-UF The Hydro Guard HDG-U300-UF Replacement Filter Set is the OEM rep...

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$77.35 - $77.35
$77.35
$77.35 - $77.35
$77.35
Hydronix BSV-34110V Brass Solenoid Valve – Normally Closed, 110V 50/60Hz, 3/4" FNPT
Hydronix

Hydronix BSV-34110V Brass Solenoid Valve, Closed, 110V 50/60hz, 3/4" FNPT

BSV-34110V
in stock
$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00

Hydronix BSV-34110V Brass Solenoid Valve – Normally Closed, 110V 50/60Hz, 3/4" FNPT The Hydronix BSV-34110V is a high-performance brass solenoid va...

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$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00
Auto Ship
LT2 Jumbo Filter Cartridges for HBCJ/SC Housings 1 Micron - IFilters
HydroScientific

LT2 Jumbo Filter Cartridges for HBCJ/SC Housings 1 Micron

HSC-170-LT2
in stock
$1,322.57 - $1,322.57
$1,322.57
$1,322.57 - $1,322.57
$1,322.57

The HydroScientific HSC-170-LT2 is a Certified LT2 Series Jumbo filter for HBCJ/SC Housings. Microns: 1 Absolute, Max Flow Rate: 100 GPM, Max Temp....

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$1,322.57 - $1,322.57
$1,322.57
$1,322.57 - $1,322.57
$1,322.57
Aquatrol AQT-HL-7162 Bottom HUB Distributor – 2" Port, 6 Laterals for 30" Tanks
Aquatrol

Aquatrol AQT-HL-7162 Bottom HUB Distributor | 2" Port & 6 Laterals | Fits 30" Tanks

AQT-HL-7162
in stock
$180.41 - $180.41
$180.41
$180.41 - $180.41
$180.41

Aquatrol AQT-HL-7162 Bottom HUB Distributor – 2" Port, 6 Laterals for 30" Tanks The Aquatrol AQT-HL-7162 Bottom Mount Hub & Lateral Distributor...

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$180.41 - $180.41
$180.41
$180.41 - $180.41
$180.41
15 GPM Salt-Free Whole House Water Softener with Single-Stage Carbon Filter System - IFilters
PRO+AQUA

15 GPM Salt-Free Whole House Water Softener with Single-Stage Carbon Filter System

PRO-SCI-SF15
In stock
$0.00 - $0.00
$0.00
$1,750.90
$1,750.90 - $1,750.90
$1,750.90

Elevate your home’s water quality with our 15 GPM Salt-Free Whole House Water Softener with Single-Stage Carbon Filter System. These 2 systems wo...

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$0.00 - $0.00
$0.00
$1,750.90
$1,750.90 - $1,750.90
$1,750.90
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